Overview
The VN5050AJ-E is a monolithic device produced by STMicroelectronics, utilizing their VIPower technology. It is designed to drive resistive or inductive loads with one side connected to ground. This device features an active VCC pin voltage clamp to protect against low energy spikes and complies with the ISO7637 transient compatibility standards. The VN5050AJ-E integrates an analog current sense that delivers a current proportional to the load current, making it suitable for various automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 41 | V |
| Reverse DC Supply Voltage (VCC) | 0.3 | V |
| DC Output Current (IOUT) | Internally limited | A |
| Reverse DC Output Current (IOUT) | 30 | A |
| Operating Voltage Range (VCC) | 4.5 to 36 | V |
| Max On-State Resistance (RON) | 50 | mΩ |
| Current Limitation (ILIMH) | 16.5 | A |
| Off-State Supply Current (IS) | 2 | µA |
| Package | PowerSSO-12 |
Key Features
- General Features:
- Inrush current active management by power limitation
- Very low stand-by current
- 3.0V CMOS compatible input
- Optimized electromagnetic emission
- Very low electromagnetic susceptibility
- In compliance with the 2002/95/EC European directive
- Protection:
- Undervoltage shut-down
- Overvoltage clamp
- Load current limitation
- Self limiting of fast thermal transients
- Protection against loss of ground and loss of VCC
- Thermal shut down
- Reverse battery protection
- Electrostatic discharge protection
- Diagnostic Functions:
- Proportional load current sense
- High current sense precision for wide range currents
- Current sense disable
- Thermal shutdown indication
- Very low current sense leakage
Applications
The VN5050AJ-E is suitable for driving all types of resistive, inductive, and capacitive loads. It is particularly designed for automotive applications, where its robust protection features and precise current sensing capabilities are highly beneficial.
Q & A
- What is the VN5050AJ-E used for?
The VN5050AJ-E is used for driving resistive or inductive loads in automotive applications.
- What is the maximum DC supply voltage for the VN5050AJ-E?
The maximum DC supply voltage is 41 V.
- What is the operating voltage range of the VN5050AJ-E?
The operating voltage range is from 4.5 V to 36 V.
- What protection features does the VN5050AJ-E have?
The VN5050AJ-E features undervoltage shut-down, overvoltage clamp, load current limitation, thermal shut down, reverse battery protection, and electrostatic discharge protection.
- How does the current sense function work in the VN5050AJ-E?
The current sense delivers a current proportional to the load current when CS_DIS is driven low or left open. When CS_DIS is driven high, the CURRENT SENSE pin is in a high impedance condition.
- What is the maximum on-state resistance of the VN5050AJ-E?
The maximum on-state resistance is 50 mΩ.
- What is the typical current limitation of the VN5050AJ-E?
The typical current limitation is 16.5 A.
- What package type is the VN5050AJ-E available in?
The VN5050AJ-E is available in the PowerSSO-12 package.
- Does the VN5050AJ-E have thermal shutdown protection?
Yes, the VN5050AJ-E has thermal shutdown protection with automatic restart.
- Is the VN5050AJ-E compliant with any specific European directives?
Yes, it is in compliance with the 2002/95/EC European directive.
